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Equations of Circles 圓方程
Author:
Alex CHIK
GeoGebra
gMath 互動數學教室
http://www.gmath.hk
New Resources
【案例】2013年安徽高考15题
算柱 (兩位數)
【案例】圆柱体内放置一个大球六个小球
畫出對稱圖形
拼砌四邊形
Discover Resources
Book4
圓內正方形夾小圓
物件平移的概念
圓周角與圓心角的關係
学用数学（分季）
Discover Topics
Vectors 2D (Two-Dimensional)
Trigonometry
Inequalities
Perimeter
Histogram